html,
body {
	height: 100%;
	padding: 0;
	margin: 0;
}

body {
	font: 14px/1 "PingFang SC", "Microsoft YaHei", sans-serif;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	line-height: 1.42858;
	font-size: 14px;
}

img {
	display: block;
	border: none;
}

dl,
li,
menu,
ol,
ul {
	list-style: none;
}

button,
input,
select,
textarea {
	outline: none;
}

a,
a:link,
a:visited,
a:hover,
a:active {
	text-decoration: none;
}

.clear {
	overflow: hidden;
	clear: both;
	height: 0;
	font-size: 0;
}

.clearfix::after {
	display: block;
	visibility: hidden;
	clear: both;
	height: 0;
	font-size: 0;
	content: "";
}

.ntd-row {
	display: flex;
}

/* 定位方式 */
.position-relative {
	position: relative;
}

.position-absolute {
	position: absolute;
}

.position-fixed {
	position: fixed;
}

.margin-auto {
	margin: 0 auto;
}

/* 居中定位 */
.abs-ct {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
}

.abs-cx {
	position: absolute;
	left: 50%;
	transform: translateX(-50%);
}

.abs-cy {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
}

/* 对齐方式 */
.text-align-left {
	text-align: left;
}

.text-align-center {
	text-align: center;
}

.text-align-right {
	text-align: right;
}

.text-align-justify {
	text-align: justify;
}

/* 弹性布局 */
.flex-ct-x {
	display: flex;
	justify-content: center;
	align-items: center;
}

.flex-ct-y {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}

.flex-fs {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-content: space-between;
}

/* 动画模式 */
.td-camera {
	perspective: 1000;
}

.td-space {
	transform-style: preserve-3d;
}

.td-box {
	backface-visibility: hidden;
}

.gpu-speed {
	transform: translate3d(0, 0, 0);
}

/* 其他 */
.fullscreen {
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
}

.ellipsis {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.page-at {
	overflow: auto;
	width: 100%;
	height: 100%;
}

.page-fs {
	overflow: hidden;
	width: 100%;
	height: 100%;
}

.round {
	border-radius: 100%;
}

.width-wrapper {
	width: 100%;
}

[v-cloak] {
	display: none;
}
